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/***************************************************************************
* *
* ASPI Router Library *
* *
* This is a sample library which shows how to send SRB's to the *
* ASPI Router device driver. USE AT YOUR OWN RISK!! *
* *
* Version 1.01 - June 1997 *
* Daniel Dorau (woodst@cs.tu-berlin.de) *
* *
* Changes since 1.00: *
* abort(), AbortSRB added *
* *
***************************************************************************/
#pragma pack(1)
/* SRB command */
#define SRB_Inquiry 0x00
#define SRB_Device 0x01
#define SRB_Command 0x02
#define SRB_Abort 0x03
#define SRB_Reset 0x04
#define SRB_Param 0x05
/* SRB status */
#define SRB_Busy 0x00 /* SCSI request in progress */
#define SRB_Done 0x01 /* SCSI request completed without error */
#define SRB_Aborted 0x02 /* SCSI aborted by host */
#define SRB_BadAbort 0x03 /* Unable to abort SCSI request */
#define SRB_Error 0x04 /* SCSI request completed with error */
#define SRB_BusyPost 0x10 /* SCSI request in progress with POST - Nokia */
#define SRB_InvalidCmd 0x80 /* Invalid SCSI request */
#define SRB_InvalidHA 0x81 /* Invalid Hhost adapter number */
#define SRB_BadDevice 0x82 /* SCSI device not installed */
/* SRB flags */
#define SRB_Post 0x01 /* Post vector valid */
#define SRB_Link 0x02 /* Link vector valid */
#define SRB_SG 0x04 /* Nokia: scatter/gather */
/* S/G: n * (4 bytes length, 4 bytes addr) */
/* No of s/g items not limited by HA spec. */
#define SRB_NoCheck 0x00 /* determined by command, not checked */
#define SRB_Read 0x08 /* target to host, length checked */
#define SRB_Write 0x10 /* host to target, length checked */
#define SRB_NoTransfer 0x18 /* no data transfer */
#define SRB_DirMask 0x18 /* bit mask */
/* SRB host adapter status */
#define SRB_NoError 0x00 /* No host adapter detected error */
#define SRB_Timeout 0x11 /* Selection timeout */
#define SRB_DataLength 0x12 /* Data over/underrun */
#define SRB_BusFree 0x13 /* Unexpected bus free */
#define SRB_BusSequence 0x14 /* Target bus sequence failure */
/* SRB target status field */
#define SRB_NoStatus 0x00 /* No target status */
#define SRB_CheckStatus 0x02 /* Check status (sense data valid) */
#define SRB_LUN_Busy 0x08 /* Specified LUN is busy */
#define SRB_Reserved 0x18 /* Reservation conflict */
#define MaxCDBStatus 64 /* max size of CDB + status */
typedef struct SRB SRB;
struct SRB {
unsigned char cmd, /* 00 */
status, /* 01 */
ha_num, /* 02 */
flags; /* 03 */
unsigned long res_04_07; /* 04..07 */
union { /* 08 */
/* SRB_Inquiry */
struct {
unsigned char num_ha, /* 08 */
ha_target, /* 09 */
aspimgr_id[16], /* 0A..19 */
host_id[16], /* 1A..29 */
unique_id[16]; /* 2A..39 */
} inq;
/* SRB_Device */
struct {
unsigned char target, /* 08 */
lun, /* 09 */
devtype; /* 0A */
} dev;
/* SRB_Command */
struct {
unsigned char target, /* 08 */
lun; /* 09 */
unsigned long data_len; /* 0A..0D */
unsigned char sense_len; /* 0E */
void * _Seg16 data_ptr; /* 0F..12 */
void * _Seg16 link_ptr; /* 13..16 */
unsigned char cdb_len, /* 17 */
ha_status, /* 18 */
target_status; /* 19 */
void (* _Seg16 post) (SRB *); /* 1A..1D */
unsigned char res_1E_29[12]; /* 1E..29 */
unsigned char res_2A_3F[22]; /* 2A..3F */
unsigned char cdb_st[64]; /* 40..7F CDB+status */
unsigned char res_80_BF[64]; /* 80..BF */
} cmd;
/* SRB_Abort */
struct {
void * _Seg16 srb; /* 08..0B */
} abt;
/* SRB_Reset */
struct {
unsigned char target, /* 08 */
lun, /* 09 */
res_0A_17[14], /* 0A..17 */
ha_status, /* 18 */
target_status; /* 19 */
} res;
/* SRB_Param - unused by ASPI4OS2 */
struct {
unsigned char unique[16]; /* 08..17 */
} par;
} u;
};
/* SCSI sense codes */
/* Note! This list may not be complete. I did this compilation for use with tape drives.*/
#define Sense_Current 0x70; /* Current Error */
#define Sense_Deferred 0x71; /* Deferred Error */
#define Sense_Filemark 0x80; /* Filemark detected */
#define Sense_EOM 0x40; /* End of medium detected */
#define Sense_ILI 0x20; /* Incorrect length indicator */
/* Sense Keys */
#define SK_NoSense 0x00; /* No Sense */
#define SK_RcvrdErr 0x01; /* Recovered Error */
#define SK_NotReady 0x02; /* Not ready */
#define SK_MedErr 0x03; /* Medium Error */
#define SK_HWErr 0x04; /* Hardware Error */
#define SK_IllReq 0x05; /* Illegal Request */
#define SK_UnitAtt 0x06; /* Unit attention */
#define SK_DataProt 0x07: /* Data Protect */
#define SK_BlankChk 0x08: /* Blank Check */
#define SK_VndSpec 0x09; /* Vendor Specific */
#define SK_CopyAbort 0x0A; /* Copy Aborted */
#define SK_AbtdCmd 0x0B; /* Aborted Command */
#define SK_Equal 0x0C; /* Equal */
#define SK_VolOvfl 0x0D; /* Volume Overflow */
#define SK_MisComp 0x0E; /* Miscompare */
#define SK_Reserved 0x0F; /* Reserved */
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